Which of the following would most likely be considered a "macroeconomic event" that can lead to a change in price level and real GDP?

Question 37 options:

You fail your macroeconomics exam.

The Coca-Cola Company drastically improves productivity leading to a huge decrease in the equilibrium price of Diet Coke.

You girlfriend breaks up with you because you don't like her pet hedgehog.

The market for wine experiences a decrease in supply due to adverse weather conditions affecting vineyards.

The government increases taxes on all firms and households.

The drinking age is decreased across the Midwestern United States.

The number of firms entering the market for sushi triples.